Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the square root method to solve the equation. 8z2 - 1568 = 0
A. 14 B. ± 15 C. 786 D. ± 14
Mathematics
Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = x3 + 9, g(x) = 
A. No, yes B. Yes, no C. No, no D. Yes, yes
Mathematics
Determine whether the function is one-to-one.
?
?
A. No, it isn't one-to-one. B. Yes, it is one-to-one.
Mathematics
Write the rate as a fraction in simplest form.There are 15 cars for 45 people.
A. 
B. 
C. 
D. 
Mathematics